- A
Create a trail in each account, each delivering to the same S3 bucket. Use a bucket policy to allow cross-account writes. Use a single KMS key with appropriate key policy.
Why wrong: Organization trails are simpler and more central.
- B
Use AWS Config to deliver logs to a central bucket. Enable CloudWatch Logs in each account and stream to the security account.
Why wrong: Config is for resource configuration, not CloudTrail logs.
- C
Create a trail in the management account with organization trail enabled, delivering to a bucket in the management account. Use KMS default encryption.
Why wrong: Bucket must be in security account, not management account.
- D
Create a trail in the security account with organization trail enabled, delivering to a bucket in the security account. Configure bucket policy and KMS key policy to allow CloudTrail and S3 from all accounts.
Organization trail from security account centralizes logs; proper policies allow cross-account delivery.
Quick Answer
The answer is to create a trail in the security account with organization trail enabled, delivering to a bucket in the security account, then configure both the bucket policy and KMS key policy to allow CloudTrail and S3 from all accounts. This works because an organization trail, which can only be created in the management account, automatically aggregates CloudTrail logs from every account in the AWS Organization into a single S3 bucket, and the KMS key managed by the security account ensures centralized encryption control. On the SCS-C02 exam, this question tests your understanding of centralized CloudTrail across accounts with KMS, specifically that organization trails are a management account feature and that both the S3 bucket policy and KMS key policy must explicitly grant cross-account permissions for CloudTrail and S3 services. A common trap is assuming you can create the trail in a member account or that individual trails per account are sufficient. Memory tip: remember "Org trail, one bucket, two policies" — the management account creates the trail, the security account owns the bucket and KMS key, and both resource policies must allow cross-account access.
SCS-C02 Management and Security Governance Practice Question
This SCS-C02 practice question tests your understanding of management and security governance. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A security engineer is designing a centralized logging solution for a multi-account AWS environment using AWS Organizations. The solution must ensure that all CloudTrail logs from all accounts are delivered to a single S3 bucket in the security account. Additionally, the logs must be encrypted with a KMS key that is managed by the security account. Which combination of steps is required?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Create a trail in the security account with organization trail enabled, delivering to a bucket in the security account. Configure bucket policy and KMS key policy to allow CloudTrail and S3 from all accounts.
Option D is correct because a trail in the security account with organization trail enabled will deliver logs from all accounts to the specified S3 bucket. The S3 bucket policy must grant CloudTrail write access from all accounts, and the KMS key policy must grant CloudTrail and S3 permissions for all accounts. Option A is wrong because organization trails can only be created in the management account. Option B is wrong because individual trails per account are not centralized. Option C is wrong because CloudWatch Logs is not required.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Create a trail in each account, each delivering to the same S3 bucket. Use a bucket policy to allow cross-account writes. Use a single KMS key with appropriate key policy.
Why it's wrong here
Organization trails are simpler and more central.
- ✗
Use AWS Config to deliver logs to a central bucket. Enable CloudWatch Logs in each account and stream to the security account.
Why it's wrong here
Config is for resource configuration, not CloudTrail logs.
- ✗
Create a trail in the management account with organization trail enabled, delivering to a bucket in the management account. Use KMS default encryption.
Why it's wrong here
Bucket must be in security account, not management account.
- ✓
Create a trail in the security account with organization trail enabled, delivering to a bucket in the security account. Configure bucket policy and KMS key policy to allow CloudTrail and S3 from all accounts.
Why this is correct
Organization trail from security account centralizes logs; proper policies allow cross-account delivery.
Related concept
Static NAT maps one inside address to one outside address.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related SCS-C02 NAT questions on configuration and troubleshooting.
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Management and Security Governance — study guide chapter
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FAQ
Questions learners often ask
What does this SCS-C02 question test?
Management and Security Governance — This question tests Management and Security Governance — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Create a trail in the security account with organization trail enabled, delivering to a bucket in the security account. Configure bucket policy and KMS key policy to allow CloudTrail and S3 from all accounts. — Option D is correct because a trail in the security account with organization trail enabled will deliver logs from all accounts to the specified S3 bucket. The S3 bucket policy must grant CloudTrail write access from all accounts, and the KMS key policy must grant CloudTrail and S3 permissions for all accounts. Option A is wrong because organization trails can only be created in the management account. Option B is wrong because individual trails per account are not centralized. Option C is wrong because CloudWatch Logs is not required.
What should I do if I get this SCS-C02 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related SCS-C02 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 20, 2026
This SCS-C02 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SCS-C02 exam.
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